dridex | f9e0b1573851e9ad408585efb73eb54028385514daa34e04263d00a447f13f92

Analysis

max time kernel
46s
max time network
54s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 17:52

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General

Target

f9e0b1573851e9ad408585efb73eb54028385514daa34e04263d00a447f13f92.dll
Size

162KB
MD5

9ce4d573b6066d9fa8e6bf25a7ef1a9c
SHA1

e4602d539dbfee07a32137add24c978e9a1a9cc8
SHA256

f9e0b1573851e9ad408585efb73eb54028385514daa34e04263d00a447f13f92
SHA512

1d8130460cf0aee457befe8b6786430ce3351396f6016cc05c011a90f0a765d8747bad25a41652561870518a6b3ab63d76df74e1d194ef5d80ea88419f10bc05

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/4036-115-0x0000000074390000-0x00000000743BE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 568 wrote to memory of 4036	568	rundll32.exe	rundll32.exe
PID 568 wrote to memory of 4036	568	rundll32.exe	rundll32.exe
PID 568 wrote to memory of 4036	568	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9e0b1573851e9ad408585efb73eb54028385514daa34e04263d00a447f13f92.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:568

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f9e0b1573851e9ad408585efb73eb54028385514daa34e04263d00a447f13f92.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4036

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4036-114-0x0000000000000000-mapping.dmp

Download
memory/4036-115-0x0000000074390000-0x00000000743BE000-memory.dmp

Filesize
184KB

Download
memory/4036-117-0x0000000000D30000-0x0000000000D36000-memory.dmp

Filesize
24KB

Download